Home / 3,910,891.80-5,866,337.70-1,070,999.40

Finding the Fourth Proportional to 3,910,891.80, 5,866,337.70 and 1,070,999.40

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Solution

The fourth proportional to 3,910,891.80, 5,866,337.70 and 1,070,999.40 is: 1,606,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910,891.80 : 5,866,337.70 = 1,070,999.40 : x
  2. Step 2: Convert to fraction form
    3,910,891.80/5,866,337.70 = 1,070,999.40/x
  3. Step 3: Cross multiply
    3,910,891.80x = 5,866,337.70 × 1,070,999.40
  4. Step 4: Simplify right side
    3,910,891.80x = 6,282,844,156,897.38
  5. Step 5: Solve for x
    x = 6,282,844,156,897.38/3,910,891.80
  6. Step 6: Final answer
    x = 1,606,499.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.